<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片试图区-->
    <el-card>
      <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
      <div id="main" style="width: 750px;height:400px;"></div>
    </el-card>
  </div>
</template>

  <script>
    //导入echarts
    import echarts from 'echarts'
    export default {
      data() {
        return {
          // 需要合并的数据
          option: {
            title: {
              text: 'ECharts 入门示例'
            },
            tooltip: {},
            legend: {
              data:['销量']
            },
            xAxis: {
              data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
            },
            yAxis: {},
            series: [{
              name: '销量',
              type: 'bar',
              data: [5, 20, 36, 10, 10, 20]
            }]
          }
        }
      },
      created() {},
      methods: {
      },
      async mounted() {
        //放在mounted里，是因为要确保相应的dom元素加载完毕
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        // 使用刚指定的配置项和数据显示图表。
        const { data: res } = await this.$http.get('reports/type/1');
        if (res.meta.status !== 200) {
          return this.$message.error('获取折线图失败！');
        }
        // 指定图表的配置项和数据
        const result = _.merge(res.data, this.option);
        // myChart.setOption(option);
        myChart.setOption(result);
      }
    }
  </script>

  <style lang="less" scoped>

  </style>
